Finding the Fourth Proportional to 174,361.42, 260,944.91 and 121,113.44
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Solution
The fourth proportional to 174,361.42, 260,944.91 and 121,113.44 is: 181,255.32
Step by Step Solution
- Step 1: Write the proportion equation
174,361.42 : 260,944.91 = 121,113.44 : x - Step 2: Convert to fraction form
174,361.42/260,944.91 = 121,113.44/x - Step 3: Cross multiply
174,361.42x = 260,944.91 × 121,113.44 - Step 4: Simplify right side
174,361.42x = 31,603,935,700.59 - Step 5: Solve for x
x = 31,603,935,700.59/174,361.42 - Step 6: Final answer
x = 181,255.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.